E85 fuel is a mixture of 85% ethanol and 15% gasoline by volume. what mass in kilograms of e85 (d = 0.758 g/ml) can be contained in a 14.0-gal tank?

Answer : The mass of E85 fuel is, 40.166 kilogram.

Solution : Given,

Volume of E85 fuel =

Density of E85 fuel = 0.758 g/ml

Formula used :

Now put all the given values in this formula, we get

Therefore, the mass of E85 fuel is, 40.166 kilogram.

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